Initialize CPDF_PathObject members on constructor.

Bug: pdfium:839
Change-Id: I3a069bf7d8a75f32cf9bcc9e9926ad19aa006795
Reviewed-on: https://pdfium-review.googlesource.com/9650
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: Henrique Nakashima <hnakashima@chromium.org>
diff --git a/core/fpdfapi/page/cpdf_pathobject.cpp b/core/fpdfapi/page/cpdf_pathobject.cpp
index b54ad6e..7dd9159 100644
--- a/core/fpdfapi/page/cpdf_pathobject.cpp
+++ b/core/fpdfapi/page/cpdf_pathobject.cpp
@@ -6,7 +6,7 @@
 
 #include "core/fpdfapi/page/cpdf_pathobject.h"
 
-CPDF_PathObject::CPDF_PathObject() {}
+CPDF_PathObject::CPDF_PathObject() : m_FillType(0), m_bStroke(false) {}
 
 CPDF_PathObject::~CPDF_PathObject() {}